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The biological revolution that Darwin initiated has given us a view of an earth that was once devoid of life and where life originated and evolved from simpler pre-existing forms over immense periods of time. Darwin saw human beings as an integral part of this evolutionary history. How, when and where life originated remains an inscrutable challenge to science. However, discoveries in every branch...
We examine three critical aspects of Popper’s formulation of the ‘Logic of Scientific Discovery’—evidence, content and degree of corroboration—and place these concepts in the context of the Tree of Life (ToL) problem with particular reference to molecular systematics. Content, in the sense discussed by Popper, refers to the breadth and scope of existence that a hypothesis purports to explain. Content,...
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